Unanswered: How to scale images or containers to different device size (width and hieght)

Unanswered: How to scale images or containers to different device size (width and hieght)

Hello,

I am wanting to scale my Images or my containers, so when the device get bigger the images or containers get bigger, without having to change it manually. Pretty much doing what a device profile does to exact, just in a different way. I was thinking of using CSS something like this below but it doesn't work...